- Young, J. H. (James Hamilton)6
- Lindenkohl, A5
- Mitchell, S. Augustus (Samuel Augustus), 1792-18683
- United States Coast Survey3
- Wilson, John, civil engineer2
- Evans & Cogswell1
- Foster, John G. (John Gray), 1823-18741
- Lewis, Samuel, 1753 or 4-18221
- Smith, Roswell Chamberlain, 1797-18751
- United States. Army. Corps of Engineers1
- Wilkes, Charles, 1798-18771